GPS technique, combined with the high precision geodetic level model, can replace the traditional low-grade leveling, and realizes 3d GPS positioning function on the meaning of geometry and physics.

GPS技术结合高精度、高分辨率的大地水准面模型可以取代传统的低等级水准测量，真正实现GPS定位技术在几何和物理意义上的三维定位功能。

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Geodetic measurements of sea level variations, analysis and interpretation, identification of various cause. focusing on the applications of satellite altimetry.

海平面变化的测量、分析、解释及各种成因的研究。尤其注重在卫星测高资料的运用。

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